Home / 18,142.23-27,184.20-15,226.23

Finding the Fourth Proportional to 18,142.23, 27,184.20 and 15,226.23

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Solution

The fourth proportional to 18,142.23, 27,184.20 and 15,226.23 is: 22,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.23 : 27,184.20 = 15,226.23 : x
  2. Step 2: Convert to fraction form
    18,142.23/27,184.20 = 15,226.23/x
  3. Step 3: Cross multiply
    18,142.23x = 27,184.20 × 15,226.23
  4. Step 4: Simplify right side
    18,142.23x = 413,912,881.57
  5. Step 5: Solve for x
    x = 413,912,881.57/18,142.23
  6. Step 6: Final answer
    x = 22,814.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.